Platinum

(10,000 upcoming items)

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Oscar Heyman platinum diamond circle brooch 7 cttw

$10,030

Diamond DepotNew York, NY

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Curved Diamond Wedding Band Ring Platinum, Size 6.25

$1,596

Jasper52New York, NY

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Platinum Art Deco Diamond Manual Wind Ladies Watch

$5,930

Diamond DepotNew York, NY

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1940s Platinum Bohemian Gypsy Ring with Green Emeralds

$6,070

Diamond DepotNew York, NY

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Platinum Brooch with 3.60 Carat Diamonds Retro Design

$4,220

Diamond DepotNew York, NY

Jul 12, 2026

ART DECO PLATINUM RING EUROPEN CUT 1CT DIAMOND SCROLL SHANK

Est.

$6,742

$7,535

$5,500

Modern JewelryValley Village, CA

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Van Cleef Platinum Diamond Brooch 12-14 Ct 2.5 Inch

$14,540

Diamond DepotNew York, NY

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Platinum Diamond Double Clip Brooch with 7.2cttw by Tiffany & Co.

$14,330

Diamond DepotNew York, NY

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Antique Art Deco Platinum Eternity Wedding Band with 1.00ctw Diamonds

$1,970

Diamond DepotNew York, NY

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Art Deco Platinum Brooch with 3 Emeralds and 213 Diamonds

$15,320

(19 bids)

Mynt AuctionsNew York, NY

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Platinum 2.69 Ct. Diamond Ring with 1.38 Ct. Center Stone

$5,210

(22 bids)

Mynt AuctionsNew York, NY

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1950's Platinum Brooch with 35 Carats Round and Baguette Diamonds

$46,410

Diamond DepotNew York, NY

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Princess Cut Diamond Platinum Engagement Ring 1.27 CTW, 4.30 Grams

$2,396

Jasper52New York, NY

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French Retro Diamond Emerald Clip 18K Gold Platinum 3.50 ct

$19,160

Diamond DepotNew York, NY

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Platinum Art Deco Earrings with Sapphires and Diamonds 2 Inch

$15,660

Diamond DepotNew York, NY

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Platinum Santa Maria Aquamarine 22.14 Ct Diamond Ring 2.07 Ct

$19,300

Diamond DepotNew York, NY

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Art Deco Platinum Necklace 21.85 Ct Diamonds E-F SI1

$29,220

Diamond DepotNew York, NY

Jul 15, 2026

12.00 CARAT TOURMALINE 0.46 CARAT PLATINUM GEMS STONE RING DIAMOND

Est.

$12,000

$13,412

$9,800

Modern JewelryValley Village, CA

Jul 15, 2026

8.70 CARAT ROUND BRILLIANT G VS1 DIAMOND PLATINUM TENNIS BRACELET

Est.

$29,800

$33,306

$24,500

Modern JewelryValley Village, CA

Jul 07, 2026

Platinum Diamond Branch Brooch 22 Baguette 18 Round Diamonds 2 Inches

Est.

$7,690

$8,613

$2,500

Diamond DepotNew York, NY

Jul 07, 2026

Ruby 1.15Ct/ 1.15Ct Diamond 0.26Ct/ 0.26Ct Flower Drop Earrings 900 Platinum

Est.

$1,225

$1,475

$325

SEUYCORaleigh, NC

Jul 05, 2026

PLATINUM VINTAGE ENGAGEMENT RING 0.92CT.NATURAL ROUND DIAMOND CIRCA 1930'S

Est.

$5,865

$6,555

$4,800

Modern JewelryValley Village, CA

Jul 07, 2026

Platinum Diamond Brooch 12.90 Ct F-G VVS-VS 1.75 inches

Est.

$24,442

$27,375

$11,000

Diamond DepotNew York, NY

Jul 07, 2026

Art Deco Platinum Diamond Brooch Pendant with Synthetic Emeralds

Est.

$8,265

$9,257

$3,700

Diamond DepotNew York, NY

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Platinum Auctions

LAB-GROWN 3.02 CARAT OVAL E-F-VVS2 DIAMOND 14K YELLOW GOLD HANGING EARRINGS

VINTAGE 18K GOLD DROP EARRINGS WITH 1 CARAT ROUND DIAMONDS & SOUTH SEA PEARLS

LAB-GROWN 7.68 CARAT OVAL E-F-VS1 DIAMOND 14K YELLOW GOLD HANGING EARRINGS

DESIGNER GOLD DIAMOND AND PLATINUM JEWELRY 13

Modern Jewelry

Starts on:

Valley Village, CA, US

3.00 CARAT OLD EUROPEAN CUT J SI1 DIAMOND 14 KARAT TWO TONE GOLD ENGAGEMENT RING

3.12 CARAT F VS DIAMOND VINTAGE BANGLE BRACELET 18K TWO-TONE GOLD

21.00 CARAT ROUND BRILLIANT G VS1 DIAMOND 18 KARAT YELLOW GOLD LINK BRACELET

DESIGNER PREMIUM GOLD AND PLATINUM JEWELRY 12

Modern Jewelry

Starts on:

Valley Village, CA, US

18K White Gold 3.61ct Diamond, Emerald, and Tanzanite Cocktail Ring

18K Yellow Gold 6.0ct Diamond and Ruby Earrings

Curated Fine Gold Jewelry Vintage & Antique

Eastern European Art Gallery Inc

Starts on:

Broomall, PA, US

1 day Left

LiveAuctioneers

Platinum

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$10,030

$1,596

$5,930

$6,070

$4,220

$5,500

$14,540

$14,330

$1,970

$15,320

$5,210

$46,410

$2,396

$19,160

$15,660

$19,300

$29,220

$9,800

$24,500

$2,500

$325

$4,800

$11,000

$3,700

Platinum Auctions

DESIGNER GOLD DIAMOND AND PLATINUM JEWELRY 13

DESIGNER PREMIUM GOLD AND PLATINUM JEWELRY 12

Curated Fine Gold Jewelry Vintage & Antique